OPEC to Increase Oil Output
In Effort to Bring Prices Down

PARIS -- OPEC said it will raise its crude-oil output by 500,000 barrels a day, but the production increase is expected to have little impact on the price of oil.

Among members of the Organization of Petroleum Exporting Countries, only Saudi Arabia and the United Arab Emirates have spare capacity, oil analysts say; the others already are producing as much oil as they can. Given that, analysts expect actual daily production increases...